DMSNESSetBoundaryLocal#

set a function to insert, for example, essential boundary conditions into a ghosted solution vector

Synopsis#

#include "petscsnes.h" 
PetscErrorCode DMSNESSetBoundaryLocal(DM dm, PetscErrorCode (*func)(DM dm, Vec X, void *ctx), void *ctx)

Logically Collective

Input Parameters#

  • dm - DM to associate callback with

  • func - local boundary value evaluation

  • ctx - optional context for local boundary value evaluation

Calling sequence of func#

  • dm - the DM context

  • X - ghosted solution vector, appropriate locations (such as essential boundary condition nodes) should be filled

  • ctx - option context passed in DMSNESSetBoundaryLocal()

See Also#

SNES: Nonlinear Solvers, DMSNESSetFunctionLocal(), DMDASNESSetJacobianLocal()

Level#

advanced

Location#

src/snes/utils/dmlocalsnes.c

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